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You searched for: mediatype:texts AND collection:theides AND subject:"Total Harmonic Distortion(THD)"
[texts]Microcontroller Based Novel Dc-to-Ac Grid Connected Inverter Topology
The conventional line commutated ac-to-dc converters/ inverters have square-shaped line current which contains higher-order harmonics. Moreover, it requires a costly and bulky dc inductor or choke. The line current with the high harmonic contents generates EMI and therefore itcauses more heating of the core of distribution or power transformers. Alternatively, PWM based inverters using MOSFET/IGBT switches can be used for the above purpose...
Keywords: grid connected inverter; total harmonic distortion (THD); simulink; line current
Downloads: 396
[texts]Harmonic Minimization In Multilevel Inverters By Using PSO
Harmonic Elimination in a multilevel inverters is an optimization problem which is solved by applying particle swarm optimization (PSO) technique. The derived equation for the computation of total harmonic distortion (THD) of the output voltage of the multilevel inverter is used as the objective function in PSO algorithm. The objective function used is to reduce the THD of the multilevel inverter and obtain the corresponding switching angles with the elimination of possible lower order harmonics...
Keywords: selective harmonic elimination(SHE); particle swarm optimization(PSO); Total harmonic distortion(THD)
Downloads: 222
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